Restore Full Functionality to Your GM Vehicle with a Programmed BCM
Are you dealing with frustrating and unpredictable electrical problems in your 2014-2016 Buick LaCrosse, Malibu, or other compatible GM vehicle? Issues like flickering lights, malfunctioning power windows, a dead radio, or security system alerts often point to one culprit: a failing Body Control Module (BCM). As the central command center for your car’s comfort and convenience features, a faulty BCM can make driving a daily headache. Dealerships often quote high prices for a new module plus mandatory programming fees. We offer a reliable, cost-effective solution.
This is a fully tested, replacement Body Control Module that comes ready for installation. How? Through our expert cloning service. You simply send us your original BCM, and we transfer all the critical vehicle-specific data—including VIN, mileage, and key information—to this replacement unit. The result is a true plug-and-play module, eliminating the need for expensive dealership programming. This service is the most direct path to getting your car back to normal without the hassle and expense of a dealer visit.
A Technician’s Notebook: The Case of the Ghostly Malibu
A few months back, a 2015 Chevy Malibu came into my bay with a list of bizarre symptoms. The owner said the radio would randomly shut off, the driver-side window would stop working for hours, and the anti-theft light would flash intermittently. He’d been to two other shops that couldn’t find the issue because it was so inconsistent. After running network diagnostics, I noticed communication dropouts pointing towards the BCM. These modules can fail internally, causing these ghost-in-the-machine problems that are impossible to trace with simple wiring checks. By providing a cloned 2014-2016 LaCrosse BCM (which shares the same architecture), we restored all functions permanently. It’s a classic example of how a single module can create widespread, confusing issues.
Common Signs of a Failing Body Control Module
- ✔ Intermittent or non-functional power windows, locks, and mirrors.
- ✔ Interior or exterior lights staying on, flickering, or not working at all.
- ✔ The radio or infotainment system randomly turning on or off.
- ✔ False security system alarms or a persistent anti-theft light.
- ✔ Inaccurate gauge readings or warning lights on the instrument cluster (like U0140 – Lost Communication With BCM).
- ✔ Key fobs not being recognized or functioning sporadically.
- ✔ A no-start condition where the starter doesn’t engage.
A Straightforward Guide to BCM Installation
After receiving your programmed module from us, installation is simple. The location varies slightly by model, so always confirm with your vehicle’s service manual. For the LaCrosse, it’s typically behind the left-hand kick panel.
- Safety First: Always disconnect the negative terminal from your car’s battery and wait at least 10 minutes before starting work.
- Locate the BCM: Remove any trim panels necessary to access the module. On a 2014-2016 LaCrosse, this is usually the kick panel near the driver’s left foot.
- Disconnect the Old Module: Carefully unplug all the electrical connectors from your original BCM. The connectors have locking tabs that need to be pressed to release them. Do not force them.
- Remove the Module: Unbolt or unclip the old BCM from its mounting bracket.
- Install the New Module: Mount your new, programmed BCM in place and securely reconnect all the electrical connectors. You should hear a ‘click’ as they lock in.
- Reconnect Battery: Reattach the negative battery terminal.
- Test All Functions: Start the vehicle and test your windows, locks, lights, radio, and other body electronics to confirm the repair.
Important Post-Installation Information
While our cloning service makes this a plug-and-play repair, some GM vehicles may require a simple recalibration procedure for specific systems to communicate with the new BCM. This is normal. Key procedures to be aware of include:
- Airbag System Sync: If your airbag warning light is on after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the airbag system with the new module.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be needed to ensure correct brake light operation and traction control function.
Disclaimer: Vehicle systems vary. Always consult a factory service manual or a qualified technician for procedures specific to your vehicle.
Verified Vehicle Compatibility
This module is a direct replacement for part number 13589115 and is interchangeable with the following part numbers: 13580698, 13578458, 13589637, 13590173, 13590851, 13591300, 13592376, 13593775, 13593776, and 13594564. It is confirmed to fit the following vehicles:
- 2014-2016 Buick LaCrosse
- 2014-2017 Buick Regal
- 2014-2016 Cadillac SRX
- 2014-2016 Cadillac ELR
- 2014-2015 Chevrolet Camaro
- 2014-2016 Chevrolet Malibu (including 2016 Limited)
- 2014-2016 Chevrolet Spark (EV model)
- 2014-2015 Chevrolet Volt
Frequently Asked Questions
How does the mail-in cloning service work?
After you place your order, we will contact you with simple instructions to ship your original BCM to our facility. Once we receive it, our technicians will transfer all the essential data to the replacement module. We then ship the ready-to-install module back to you, typically within 1-2 business days.
Do I need to program this module at a dealership?
No. Our cloning service transfers your vehicle’s existing programming, so the replacement module is plug-and-play. This saves you from the time and expense of dealership programming.
What if my original BCM is water damaged or not communicating?
In many cases, even if the module is non-communicative or damaged, we can still extract the necessary data. Please contact us before ordering if your module has severe physical or water damage so we can assess the situation.
Is there a core charge for my old module?
No, there is no core charge. We need your original module to perform the data transfer service, but you do not need to purchase it from us.
Will this fix my specific problem?
This part resolves issues directly caused by a faulty BCM. While the symptoms listed are common indicators, proper vehicle diagnosis is essential. A faulty 2014-2016 LaCrosse BCM can mimic other problems, so we recommend confirming the diagnosis before ordering.